| Variable | Cases | Controls | OR (95% CI) | P value | ||
| Yes n (%) | No n (%) | Yes n (%) | No n (%) | |||
| Abortion | 2 (3.3) | 59 (96.7) | 00 | 122 (100) | 10.29 (0.49 - 2.17) | 0.13 |
| Preterm delivery | 15 (24.6) | 46 (75.4) | 14 (11.5) | 108 (88.5) | 2.51 (1.12 - 5.63) | 0.025 |
| PROM | 3 (4.9) | 58 (95.0) | 12 (9.8) | 110 (90.2) | 0.47 (0.12 - 1.71) | 0.25 |
| Prolonged labour | 3 (4.9) | 58 (95.0) | 10 (8.2) | 112 (91.8) | 0.60 (0.16 - 2.25) | 0.330 |
| Maternal death | 5 (8.2) | 56 (91.8) | 8 (6.6) | 114 (93.4) | 1.60 (0.50 - 5.12) | 0.422 |